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      1 /**
      2  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
      3  *
      4  * This library is free software; you can redistribute it and/or
      5  * modify it under the terms of the GNU Library General Public
      6  * License as published by the Free Software Foundation; either
      7  * version 2 of the License, or (at your option) any later version.
      8  *
      9  * This library is distributed in the hope that it will be useful,
     10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12  * Library General Public License for more details.
     13  *
     14  * You should have received a copy of the GNU Library General Public License
     15  * along with this library; see the file COPYING.LIB.  If not, write to
     16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     17  * Boston, MA 02110-1301, USA.
     18  *
     19  */
     20 
     21 #include "config.h"
     22 
     23 #if ENABLE(WML)
     24 #include "WMLErrorHandling.h"
     25 
     26 #include "Console.h"
     27 #include "Frame.h"
     28 #include "Document.h"
     29 #include "DOMWindow.h"
     30 #include "XMLDocumentParser.h"
     31 #include <wtf/text/CString.h>
     32 
     33 namespace WebCore {
     34 
     35 void reportWMLError(Document* doc, WMLErrorCode error)
     36 {
     37     if (!doc || error == WMLErrorUnknown)
     38         return;
     39 
     40     String errorMessage = errorMessageForErrorCode(error);
     41     XMLDocumentParser* parser = static_cast<XMLDocumentParser*>(doc->parser());
     42     if (parser && error != WMLErrorDeckNotAccessible) {
     43         // Some errors are reported as result of an insertedIntoDocument() call.
     44         // If this happened, parsing has been stopped, and the document fragment
     45         // is wrapped in a XHTML error document. That means insertedIntoDocument()
     46         // will be called again - do NOT report the error twice, that would result
     47         // in an infinite error reporting loop.
     48         if (!parser->wellFormed())
     49             return;
     50 
     51         parser->handleError(XMLDocumentParser::fatal, errorMessage.latin1().data(), parser->textPositionOneBased());
     52     } else {
     53         Frame* frame = doc->frame();
     54         if (!frame)
     55             return;
     56 
     57         DOMWindow* domWindow = frame->domWindow();
     58         if (!domWindow)
     59             return;
     60 
     61         Console* console = domWindow->console();
     62         if (!console)
     63             return;
     64 
     65         console->addMessage(WMLMessageSource, LogMessageType, ErrorMessageLevel, errorMessage, 0, String());
     66     }
     67 }
     68 
     69 String errorMessageForErrorCode(WMLErrorCode error)
     70 {
     71     switch (error) {
     72     case WMLErrorConflictingEventBinding:
     73         return "Conflicting event bindings within an element.";
     74     case WMLErrorDeckNotAccessible:
     75         return "Deck not accessible.";
     76     case WMLErrorDuplicatedDoElement:
     77         return "At least two do elements share a name, which is not allowed.";
     78     case WMLErrorForbiddenTaskInAnchorElement:
     79         return "Forbidden task contained in anchor element.";
     80     case WMLErrorInvalidColumnsNumberInTable:
     81         return "A table contains an invalid number of columns.";
     82     case WMLErrorInvalidVariableName:
     83         return "A variable name contains invalid characters.";
     84     case WMLErrorInvalidVariableReference:
     85         return "A variable reference uses invalid syntax.";
     86     case WMLErrorInvalidVariableReferenceLocation:
     87         return "A variable reference is placed in an invalid location.";
     88     case WMLErrorMultipleAccessElements:
     89         return "Only one access element is allowed in a deck.";
     90     case WMLErrorMultipleTemplateElements:
     91         return "Only one template element is allowed in a deck.";
     92     case WMLErrorNoCardInDocument:
     93         return "No card contained in document.";
     94     case WMLErrorMultipleTimerElements:
     95         return "Only one timer element is allowed in a card.";
     96     case WMLErrorUnknown:
     97         return String();
     98     };
     99 
    100     ASSERT_NOT_REACHED();
    101     return String();
    102 }
    103 
    104 }
    105 
    106 #endif
    107